2009 Ford Expedition Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2009 Ford Expedition

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2009 Ford Expedition Problems

A/C Fan Speed Changing Constantly

The 2008-2016 Ford Expedition with automatic climate control may have a problem with frequent fan speed changes when using the heater or air conditioner. Normally, the fan speed changes only to maintain a selected temperature, but when the fan speed changes frequently and needlessly, there is an issue with the fan speed control unit. 

The fan speed control unit, sometimes erroneously called the blower motor resister, regulates the speed for the blower motor in order to maintain the temperature set by the driver. When it fails, the fan will run at random settings, and the climate control will be inaccurate.

Note: this does not affect the temperature of the air that comes from the vents, it affects the amount of air that comes from the vents. 

The repair is simple, and quick. The control unit is located behind the glove box in most models, and removal and installation takes only minutes.

Also note: this only applies to vehicles with single or dual automatic climate control.

Blower Motor Only Works on High

The 2007-2016 Ford Expedition with manual temperature and fan controls may have problems with the the blower motor only blowing air on certain settings. Most commonly the fan will only run on the highest setting. This is a well documented problem, and is caused by a failing blower motor resistor.

Correcting the problem is straight forward, and requires replacement of the small resistor. The resistor is normally found behind the glove box, next to the blower motor.

Ignition Coil Failure Due to Excessive Spark Plug Gap

An illuminated Check Engine Light could indicate that one or more of the ignition coils has failed due to excessive spark plug gap. To fix this problem, the ignition coils that have failed, the spark plugs, and all coil boots should be replaced.

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2009 Ford Expedition Questions

Who knows their vehicles, I'm having a serious problem with my Ford Expedition, (1 answer)

Rough idel after driving the at stop the when gassed goes back to running good (2 answers)

Poping noise from inside dash (1 answer)

While under heavy acceleration at about 30-40MPH there is a distinct poping sound eminating from the dash. It sounds like a vacuum valve closing. It has been back to the dealer 3X's and they have been uable to duplicate the proplem. As soon as I pick it up and drive it away it will continue m...

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2009 Ford Expedition Recalls

Ford Recalls 2009 Vehicles Due to Brake Light Switch Adjustment

Ford has recalled certain 2009 Expedition and Lincoln Navigator vehicles because the brake light switch may be improperly adjusted. The brake lights may fail to light up, which increases the risk of a crash. Dealers will adjust the brake light switch to the proper position.

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